Server Networking

All:One of my customers is having a rather strange issue that I'm a little intrigued by. I have opened a ticket with Cisco TAC already and we just can't seem to put our finger on it. Here's what's happening:- Customer is in a Virtual Desktop environm...

Hi, I have a couple of 5010 Nexus switches. There are two physical ports on the front next to the L1 and L2 ports, but in the console I can only see mgmt0 and the device on the other end of the cables doesn't see a link on the second port. Do these d...

Is there currently any way to limit ssh/telnet access to the Nexus 5k, similar to the Copp workaround fort he 7K?  I am aware of bug CSCsq20638, which will presumably resolve the issue on all platforms, but I don't see any workaround for the 5000 rig...

On N5k design guide, why is "untagged cos 0" recommended on fex facing interface

I'm clustering Server 2008 R2 servers with shared storage in a different VSAN using an IVR zoneset on an MDS 9513.  My problem is when I try to validate the cluster I get an error with the SCSI-3 Persistent Reservations test.The SAN fully supports SC...

Hello all,Currently we use policy routing and ip nat inside/outside on the sub720/msfcin our 6509.In the lab i tried with our test-6509 to separate the policy routing and natby using a Loopback interface.That concept/test functional works, but doesn'...

Hi,I am working on a requirement on virtualisation involving Business crtical applications in multiple data centers. The challenges being currently faced are:1. The 3 Tier architecture with web servers, app servers and db servers to be virtualised wi...

I would like to verify the dhcp lease time.  The time is calculated from the moment a client receives a lease, not from when the dhcp server has set a release time.  Example.  A client requests a dhcp lease at 8:03am.  DHCP lease time is set for 24 h...

Hi all,I have two 5K's in a VPC configuration.  I'm trying to figure out how to connect the 1000v using CNA's, especially pertaining to FCOE.Currently we have servers with a 10 gig connection to each 5K using VPC-HM.  In addition to the regular traff...

Hi everybodyI would like to know how to configure all nic interfaces of all ESX server that contain the VEM ou VSM module on vSphere client ?* For ESX that contains the VSM module, I added another nic* For ESX that contains the VEM module this is the...

We recently installed our UCS chasis running ESX and the 1000v.  I was just wondering if it is normal to see high amounts of discards on most of the 1000v interfaces?  Everything seems to be working fine, its just something we noticed while monitorin...

I am trying to install teh demo license for the 100v and I get a message that"A licenese with a later/different expiry date already exists for feature" message. When I do a show license brief, nothing shows up.  Any thoughts?

Traceroute does not work when initiated from a server behind the ACE module. The output shows only the destination ip.The ACE is in routed mode.